More and more often, variable frequency drives (VFDs) are used for control of fans and compressors in HVACR systems. The benefits are well documented and industry acceptance is such that most electric ...

It shows the vector motor control and one the of best sensorless vector control frequency inverters. Vector control is one of the most popular electrical motor control modes in electric industry that ...

What does a simple cascaded conveyor system look like? How to integrate a conveyor system using only the digital capabilities of modern variable frequency drives (VFDs). Simplifying the automation ...

Watch a major upgrade: a motor swap on a big belt grinder to install a powerful 4.4kW (5.9hp) three-phase motor with VFD speed control. Learn about SFPM calculations and how belt grit choices affect ...

Motor swap on my big belt grinder to install a 4.4Kw (5.9hp) three-phase motor controlled via VFD for speed controls. The dial indicates "surface feet per minutes" (SFPM), calculated from wheel ...

A recent trend in nuclear power plant upgrades has been the replacement of the motor-generator (MG) sets that drive the reactor circulating pumps with variable-frequency drives (VFD). Siemens’ first ...

Learn what smart hydraulic power pack design looks like. Most hydraulic circuits are not a continuously operating system—the energy consumption during idle periods is substantial. The use of the VFDs ...

Heat rate is often the single most important factor in a coal-fired power plant’s economic and emissions profile. Expressed in Btu/kWh or GJ/kWh, heat rate is a measure of efficiency: the quantity of ...